{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "176938",
    "entityType": "User",
    "nonce": "0x3d381d24764c563faa23ae8be73e82272af479e103d80aca04c14df9826a9e29",
    "signature": "0xe80a1e7bcd4b31eee8c2499b90305b2417f6ccd1772fbca41e6506a287145eed35f9d7409212f7aae2d9e4ff93abf0fb27dae9586750d64449eda9f99811d5cd1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}